10... f8e7 Black breaks the pin, while pointing to the fact that the bishop on g5 might in fact be vulnerable to discovered attacks. 11. a1d1  11... c8g4 Vidit is playing for the initiative $1 This is a very interesting and concrete tactical idea $1 12. f3e3  12... f6d5 The point $1 The bishop on g5 is exposed.